I think that's the key piece. Yes, Google can operate the way they do because they have world class talent. Literally some of the best developers in the world. If you find yourself in that situation, then yes, you too can do things the way Google does.

Being a contractor and working in the bowels of Fortune 500 software divisions has taught me that this is a pipe dream for almost every other company. The methodologies (Agile, Waterfall, whatever) were no doubt created in order to help teams of poor to middling developers actually accomplish something while fighting through the corporate red tape and their own stagnation.

I've seen the kind of "Bad Agile" he talks about work at big inflexible organizations, and I've seen the "let everyone work on what they want" style of development go catastrophically wrong. Yegge's post seems to be more about him congratulating himself on how awesome he is for working at Google.